Respond to all of the questions on the Discussion Board and respond to all topics. Your initial post should be at least 100 words and contain references. The 100 word-count excludes the references. In addition, responses to others should be at least 50 words each. Please be sure to cite all of your sources.

Discussion Topic 1: Safe Water

What are the problems with the drinking water supply? Is municipal water safe to drink?

Discussion Topic 2: Air, Water, and Land

Air, water, and land are the three matrices that become polluted. Which matrix do you feel has become the most polluted and why? Support your answers.